Flexibility is extremely important to producing distance because you can't hit the ball far if you don't make a full swing, the Speed Stick is a great product to increase your flexibility and can be used anywhere
Push shots are sometimes caused by aiming in the wrong direction, learn to align yourself properly with this Two Clubs drill
The angle that the club travels around your spine is called your swing plane. A good swing plane gives you the best chance to hit straight shots by returning the club square to the ball at impact.